/*
 * Copyright 2021 by LunaSec (owned by Refinery Labs, Inc)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
import { AuthProviderConfig } from '../config/types';

export function formatAuthenticationProviders(
  applicationBackEnd?: string,
  authProviders?: Record<string, AuthProviderConfig>
): Record<string, AuthProviderConfig> {
  if (authProviders !== undefined) {
    return authProviders;
  }

  // default case where we use the application back end as the auth provider
  if (applicationBackEnd !== undefined) {
    return {
      application_back_end: {
        url: applicationBackEnd,
      },
    };
  }

  throw new Error(
    'Unable to find a suitable authentication provider config. At a minimum, applicationBackEnd must be set in the config.'
  );
}
